Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 4 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 04/30/2021   14:38:10   (   0.04, -75.22) (   0.52, -77.28)  235.02                80
 05/01/2021   14:20:13   (   0.04, -75.23) (  -0.64, -72.30)  334.62                80
 05/03/2021   02:39:14   (  -0.03, -75.21) (  -0.43, -76.89)  191.26                80
 05/04/2021   02:15:56   (  -0.03, -75.22) (   0.68, -71.89)  378.73                80
 05/05/2021   14:34:49   (   0.03, -75.27) (   0.31, -76.46)  135.78                80
 05/06/2021   14:16:50   (   0.03, -75.29) (  -0.81, -71.47)  435.03                80
 05/08/2021   02:35:53   (  -0.02, -75.29) (  -0.21, -76.07)   88.87                80
 05/09/2021   02:12:34   (  -0.02, -75.31) (   0.91, -71.08)  482.20                80
 05/10/2021   14:31:28   (   0.02, -75.38) (   0.08, -75.65)   31.00                80
 05/13/2021   02:29:51   (  -0.02, -75.41) (   0.03, -75.26)   17.55                80